Code
    WMTS-509:2018
    Name
    Polyproplene Access Chambers and Maintenance Shafts for Plumbing and Drainage
    Description
    This WaterMark Technical Specification sets out requirements for the design, manufacture and performance of polypropylene Access Chambers / Maintenance Shafts comprising an injection-moulded chamber for jointing to extruded PVC-U sewers or drains and riser shafts.
    WM Specification File
    WMTS-509-2013.pdf (1.63 MB)
    WM Specification
    Yes
    Adoption Date
    25 Sep 2018